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Configure Loopback interfaces
Cinfigure POS interfaces
Physical properties
Logical properties
POS encapsulation option (Cisco HDLC, Frame Relay, and PPP)
Configure ATM interfaces
Physical properties
Logical properties
Point-to-point
Point-to-multipoint
Traffic shaping
Configure Ethemet interfaces
Physical properties
Logical properties
VLAN tagging and VRRP
MAC address filtering
Aggregated interfaces
Leaky bucket rate limiting
Unnumbered interfaces
This chapter exposes the reader to a variety of JNCIP-level interface configuration scenarios while also describing common verification techniques that can be used to confirm proper interface operation.
M-series router interface configuration typically requires the setting of interface properties at both the physical and logical levels. Physical interface properties normally relate to media-specific criteria such as framing, CRC length, and device MTU, while logical properties relate to specific protocol families, logical units, and protocol-specific options such as IPv4 addresses or the protocol family’s MTU.
Because specific interface technologies are normally isolated to a subset of the routers that make up your JNCIP test bed, this chapter provides interface configuration examples based on arbitrary router pairs as appropriate. The chapter ends with a large case study that involves the configuration and testing of all router interfaces that make up the sample JNCIP topology.
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